
Ruby wants first prize at the fifth grade science fair--and she thinks her quirky, creative, Rube Goldberg-esque invention is just the way to get it Rife with "depth and charm," this story is peppered with engaging science facts and insights ( Publishers Weekly ). Ten-year-old...

Ruby wants first prize at the fifth grade science fair--and she thinks her quirky, creative, Rube Goldberg-esque invention is just the way to get it! Ten-year-old Ruby Goldberg is determined to win her school science fair and beat her nemesis Dominic Robinson. She's...